1 /*

     2  * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:

    15  *

    16  * Connection Creator based on preferences

    17  *

    18  */

    19 package com.nokia.traceviewer.engine;

    20 

    21 import org.eclipse.jface.preference.IPreferenceStore;

    22 

    23 import com.nokia.traceviewer.TraceViewerPlugin;

    24 import com.nokia.traceviewer.engine.preferences.PreferenceConstants;

    25 

    26 /**

    27  * Creates and returns a connection based on preferences

    28  * 

    29  */

    30 public final class ConnectionCreator {

    31 

    32 	/**

    33 	 * Trace file path

    34 	 */

    35 	private final String traceFilePath;

    36 

    37 	/**

    38 	 * Constructor

    39 	 * 

    40 	 * @param traceFilePath

    41 	 *            trace file path

    42 	 */

    43 	public ConnectionCreator(String traceFilePath) {

    44 		this.traceFilePath = traceFilePath;

    45 	}

    46 

    47 	/**

    48 	 * Creates and returns a connection

    49 	 * 

    50 	 * @return created connection

    51 	 */

    52 	public Connection getConnection() {

    53 		Connection connection = null;

    54 		IPreferenceStore store = TraceViewerPlugin.getDefault()

    55 				.getPreferenceStore();

    56 

    57 		// TCP connection

    58 		if (store.getString(PreferenceConstants.CONNECTION_TYPE).equals(

    59 				PreferenceConstants.CONNECTION_TYPE_TCPIP)) {

    60 

    61 			connection = createTcpConnection(store);

    62 

    63 			// USB Serial connection

    64 		} else if (store.getString(PreferenceConstants.CONNECTION_TYPE).equals(

    65 				PreferenceConstants.CONNECTION_TYPE_USB_SERIAL)) {

    66 			connection = createUsbSerialConnection(store);

    67 		}

    68 

    69 		return connection;

    70 	}

    71 

    72 	/**

    73 	 * Creates TCP connection

    74 	 * 

    75 	 * @param store

    76 	 *            preference store

    77 	 * @return created connection

    78 	 */

    79 	private Connection createTcpConnection(IPreferenceStore store) {

    80 		Connection connection;

    81 

    82 		// Close the old file from file handler

    83 		TraceViewerGlobals.getTraceViewer().getFileHandler().closeFile();

    84 

    85 		// Set parameters to array

    86 		String[] parameters = new String[3];

    87 		parameters[0] = store.getString(PreferenceConstants.IP_ADDRESS);

    88 		parameters[1] = store.getString(PreferenceConstants.TCPIP_PORT);

    89 		parameters[2] = store.getString(PreferenceConstants.TCPIP_CHANNEL);

    90 

    91 		// Create connection

    92 		connection = TraceViewerGlobals.getTraceProvider()

    93 				.getConnectionHandler();

    94 		connection.createConnection(PreferenceConstants.CONNECTION_TYPE_TCPIP,

    95 				parameters, traceFilePath);

    96 

    97 		// Set TCF connection as file handler

    98 		TraceViewerGlobals.getTraceViewer().setFileHandler(

    99 				(TraceFileHandler) connection);

   100 

   101 		return connection;

   102 	}

   103 

   104 	/**

   105 	 * Creates Serial connection

   106 	 * 

   107 	 * @param store

   108 	 *            preference store

   109 	 * @return created connection

   110 	 */

   111 	private Connection createUsbSerialConnection(IPreferenceStore store) {

   112 		Connection connection = null;

   113 

   114 		// Close the old file from file handler

   115 		TraceViewerGlobals.getTraceViewer().getFileHandler().closeFile();

   116 

   117 		// Set parameters to array

   118 		String[] parameters = new String[1];

   119 		parameters[0] = store

   120 				.getString(PreferenceConstants.USB_SERIAL_COM_PORT);

   121 

   122 		// Create connection

   123 		connection = TraceViewerGlobals.getTraceProvider()

   124 				.getConnectionHandler();

   125 		connection.createConnection(

   126 				PreferenceConstants.CONNECTION_TYPE_USB_SERIAL, parameters,

   127 				traceFilePath);

   128 

   129 		// Set TCF connection as file handler

   130 		TraceViewerGlobals.getTraceViewer().setFileHandler(

   131 				(TraceFileHandler) connection);

   132 

   133 		return connection;

   134 	}

   135 }